PrevaGuard Mechanical Pencil contains built-in protection on the pencil to suppress bacteria growth. EPA-registered antimicrobial agent is molded directly into the pencil. This helps protect the pencil by suppressing the growth of bacteria molds mildew and fungi especially in high-moisture environments. Lasting for the life of the plastic barrel it also enhances pencil's freshness fights undesired odors staining and pencil degradation. Smooth-writing lead is perfect for notes homework standardized tests and your daily crossword puzzle. Easy-to-use design provides new lead with a single click. Each pencil includes three 0.7mm No. 2 graphic leads.